1 /**
2  * \file
3  *
4  * \brief Core related functionality implementation.
5  *
6  * Copyright (C) 2015 - 2016 Atmel Corporation. All rights reserved.
7  *
8  * \asf_license_start
9  *
10  * \page License
11  *
12  * Redistribution and use in source and binary forms, with or without
13  * modification, are permitted provided that the following conditions are met:
14  *
15  * 1. Redistributions of source code must retain the above copyright notice,
16  *    this list of conditions and the following disclaimer.
17  *
18  * 2. Redistributions in binary form must reproduce the above copyright notice,
19  *    this list of conditions and the following disclaimer in the documentation
20  *    and/or other materials provided with the distribution.
21  *
22  * 3. The name of Atmel may not be used to endorse or promote products derived
23  *    from this software without specific prior written permission.
24  *
25  * 4. This software may only be redistributed and used in connection with an
26  *    Atmel microcontroller product.
27  *
28  * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
29  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
30  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
31  * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR
32  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
34  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
35  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
36  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
37  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
38  * POSSIBILITY OF SUCH DAMAGE.
39  *
40  * \asf_license_stop
41  *
42  */
43 
44 #ifndef _HPL_CORE_PORT_H_INCLUDED
45 #define _HPL_CORE_PORT_H_INCLUDED
46 
47 #include <peripheral_clk_config.h>
48 
49 /* It's possible to include this file in ARM ASM files (e.g., in FreeRTOS IAR
50  * portable implement, portasm.s -> FreeRTOSConfig.h -> hpl_core_port.h),
51  * there will be assembling errors.
52  * So the following things are not included for assembling.
53  */
54 #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
55 
56 #ifndef _UNIT_TEST_
57 #include <compiler.h>
58 #endif
59 
60 /**
61  * \brief Check if it's in ISR handling
62  * \return \c true if it's in ISR
63  */
_is_in_isr(void)64 static inline bool _is_in_isr(void)
65 {
66 	return (SCB->ICSR & SCB_ICSR_VECTACTIVE_Msk);
67 }
68 
69 #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
70 
71 #endif /* _HPL_CORE_PORT_H_INCLUDED */
72